PROPORTIONAL RELATIONSHIPS QUIZ Unit 4

y=kx.  What does the k represent?

• The constant of proportionality 
• the value of x
• non-proportional relationships
• the value of y

Tags

CCSS.7.RP.A.2B

Which equation is the correct form of the constant of proportionality?

• y = kx
• y = k-x
• y = k+x
• y = k/x

Tags

CCSS.7.RP.A.2C

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.7.RP.A.2B

Niles poured water into a tank at a constant rate shown by the graph below.  How many gallons of water did Niles pour into the tank each minute?

• 1/3
• 2/3
• 1+1/2
• 3

Tags

CCSS.7.RP.A.2D

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Tags

CCSS.5.OA.B.3

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Tags

CCSS.7.RP.A.2B

In the equation y = ½x   what is the constant of proportionality?

• 2/1
• 1
• 2
• 1/2

Tags

CCSS.7.RP.A.2B

A proportional relationship is represented by the equation y=4x.
Use the equation to create a table and fill in the missing values.  
^{x    2     4     6    8  
y    ?      ?      ?      ?}        

• 6, 8, 10, 12
• 8, 16, 24, 32
• 2, 1, 1.3, 1.5
• .5, 1, 1.5, 2

Tags

CCSS.7.RP.A.2C